package com.sky.system.custom;

import com.alibaba.fastjson2.annotation.JSONField;
import com.fasterxml.jackson.annotation.JsonFilter;
import com.sky.model.system.SysUser;
import lombok.Data;
import lombok.experimental.Accessors;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 自定义对象
 * @author 尹稳健~
 * @version 1.0
 * @time 2023/1/31
 */
@Data
@Accessors(chain = true)
public class CustomUser implements UserDetails {

    private SysUser sysUser;

    /** 存储权限信息 */
    private List<String> permissions;

    /** 存储SpringSecurity所需要的权限信息的集合 */
    @JSONField(serialize = false)
    private List<GrantedAuthority> authorities;

    public CustomUser(SysUser sysUser, List<String> permissions)
    {
        this.sysUser = sysUser;
        this.permissions = permissions;
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if(authorities!=null){
            return authorities;
        }
        //把permissions中字符串类型的权限信息转换成GrantedAuthority对象存入authorities中
        authorities = permissions.stream().
                map(SimpleGrantedAuthority::new)
                .collect(Collectors.toList());
        return authorities;
    }

    @Override
    public String getPassword() {
        return sysUser.getPassword();
    }

    @Override
    public String getUsername() {
        return sysUser.getUsername();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
